ci: code freeze bump (#544)

* ci: Improvments to code-freeze

Signed-off-by: oliver könig <okoenig@nvidia.com>

* ci: Bump for code-freeze

Signed-off-by: oliver könig <okoenig@nvidia.com>

* f

Signed-off-by: oliver könig <okoenig@nvidia.com>

---------

Signed-off-by: oliver könig <okoenig@nvidia.com>

Author: ko3n1g

.github/workflows/release-freeze.yml

@@ -17,7 +17,7 @@ on:
 
 jobs:
   code-freeze:
-    uses: NVIDIA/NeMo-FW-CI-templates/.github/workflows/_code_freeze.yml@v0.17.3
+    uses: NVIDIA/NeMo-FW-CI-templates/.github/workflows/_code_freeze.yml@v0.21.6
     with:
       library-name: NeMo Curator
       python-package: nemo_curator